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142244804 = 22132735477
BaseRepresentation
bin10000111101001…
…11101111000100
3100220122210012002
420132213233010
5242403313204
622040444432
73345026612
oct1036475704
9326583162
10142244804
1173325699
123b779718
1323615030
1414c6a6b2
15c74b91e
hex87a7bc4

142244804 has 12 divisors (see below), whose sum is σ = 268076844. Its totient is φ = 65651424.

The previous prime is 142244801. The next prime is 142244813. The reversal of 142244804 is 408442241.

It can be written as a sum of positive squares in 2 ways, for example, as 24522304 + 117722500 = 4952^2 + 10850^2 .

It is not an unprimeable number, because it can be changed into a prime (142244801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367687 + ... + 1367790.

It is an arithmetic number, because the mean of its divisors is an integer number (22339737).

Almost surely, 2142244804 is an apocalyptic number.

It is an amenable number.

142244804 is a deficient number, since it is larger than the sum of its proper divisors (125832040).

142244804 is a wasteful number, since it uses less digits than its factorization.

142244804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735494 (or 2735492 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

The square root of 142244804 is about 11926.6426122359. The cubic root of 142244804 is about 522.0099771535.

The spelling of 142244804 in words is "one hundred forty-two million, two hundred forty-four thousand, eight hundred four".

Divisors: 1 2 4 13 26 52 2735477 5470954 10941908 35561201 71122402 142244804